How to find the area of a sphere? What's the area of a sphere formula? Use this area of a sphere calculator and quickly estimate all the necessary parameters of a sphere.

Aug 1, 2025 · Calculate the surface areas, circumferences, volumes and radii of a sphere with any one known variables. Online calculators and formulas for a sphere and other geometry problems.

Jun 11, 2023 · Learn how to find the surface area of a sphere with formulas and its derivation, examples and diagrams.

Aug 7, 2025 · This formula shows that the surface area of a sphere is directly proportional to the square of its radius. For example, if the radius of a sphere is doubled, its surface area increases by a factor …

2 days ago · Free sphere surface area calculator. Calculate surface area of spheres using radius, diameter, circumference, or volume. Step-by-step 4πr² formula with hemisphere options.

It is perfectly symmetrical, and has no edges or vertices. A sphere with radius r r has a volume of 4 3 π r 3 34πr3 and a surface area of 4 π r 2 4πr2. A sphere has several interesting properties, one of which …

Learn how to derive and compute the surface area of a sphere. The lesson is crystal clear and right to the point, but it also shows how the formula was obtained

This calculator computes the surface area of a number of common shapes, including sphere, cone, cube, cylinder, capsule, cap, conical frustum, and more.

In the figure above, drag the orange dot to change the radius of the sphere and note how the formula is used to calculate the surface area. This formula was discovered over two thousand years ago by the …

3 days ago · Surface Area Calculator Calculate the surface area of 8 geometric shapes including sphere, cylinder, cone, cuboid, rectangular prism, triangular prism, square pyramid, and tetrahedron …